Sizes:1/16"---1/2"mm.DRILL SET 1.Precision ground high speed steel.2.Titanium coating extends life up to 4 times longer than other drill bits.3.Sizes:1/16",5/64",3/32",7/64",1/8",9/64",5/32",11/64",3/16",13/64",7/32",15/64",1/4",17/64",9/32",19/64",5/16",21/64",11/32",23/64"3/8",25/64",13/32",27/64",7/16",29/64",15/32",31/64",1/2".DRILL SET 29PIECE HIGH SPEED STEEL TITANIUM COATED DRILL SET
